Retro Wooden Robots Crack Tough Nuts In the future robots will fulfill all manner of helpful tasks around the home… the future has arrived with these vintage looking wind-up robots whose specialist task is to crack open nuts. Place any nut in the robot's belly and twist the key to crack open the shell. Robot Nut Crackers are easy to use and will break into any nut, from the smallest hazelnut to the toughest walnut. Your new best friend is made from solid beech wood and finished with a gleaming retro paint-job.